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Synonyms

principally

American  
[prin-suh-puh-lee, -sip-lee] / ˈprɪn sə pə li, -sɪp li /

adverb

  1. chiefly; mainly.

    Synonyms:
    primarily

principally British  
/ ˈprɪnsɪpəlɪ /

adverb

  1. mainly or most importantly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Synonym Usage

See especially.

Etymology

Origin of principally

Middle English word dating back to 1300–50; see origin at principal, -ly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

One such location, the city of Loma Linda, Calif., has a large population of Seventh-day Adventists, who are principally vegetarian, abstain from alcohol and tobacco, have close-knit social networks and exercise regularly.

From The Wall Street Journal Aug. 26, 2026

Those "losses" would principally come from eliminating the need to liquify, transport and then regasify the imported product.

From BBC Jul. 8, 2026

For his part, Thomas writes as though history resides principally in legal texts, 19th-century dictionaries, and carefully parsed debates over sovereignty.

From Slate Jul. 2, 2026

Their programs were not principally drill-and-kill exercises, but extended to mathematics, English composition, geography, history, and music — piano, violin, and choral programs.

From Los Angeles Times May 22, 2026

While they had their coffee, and on the ride uptown, they talked, principally about Florence, how badly people treated her, and how empty her life was now that her husband was dead.

From "Go Tell It on the Mountain" by James Baldwin

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